Tracy weather in July

In July, Tracy sees average daytime highs of 88°F and overnight lows near 60°F, with 0.0 in of rain across 0.2 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 90% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Tracy's 2nd-clearest and 4th-windiest month. For the whole year in context, see Tracy's year-round climate.

Daytime high
88°
1st warmest
Overnight low
60°
12th coldest
Rainfall
0.0 in
0.2 wet days
Daylight
14 h 24 min
5:00 AM – 7:23 PM
Cloud cover
10%
2nd clearest
Wind
5 mph
4th windiest
Solar energy
8.27 kWh/m²
Travel score
6.2
out of 10

Tracy is city in San Joaquin County, California, United States.

Density
1,509/km²
people per km²
Founded
1910

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 88°F through the month.

A typical July day in Tracy reaches about 88°F in the afternoon and slips back to 60°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 95°F. Set against its neighbours, July runs about 4°F warmer than June and on par with August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18759
28759
38759
48759
58760
68760
78760
88860
98860
108860
118860
128860
138860
148860
158860
168860
178860
188860
198860
208860
218860
228860
238860
248860
258860
268860
278860
288860
298860
308860
318860

Tracy weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 41°3.39.19.74.2
Feb60° / 43°3.28.710.55.0
Mar65° / 46°2.68.911.76.2
Apr70° / 48°1.3512.97.5
May77° / 53°0.73.1148.4
Jun84° / 57°0.10.814.67.5
Jul88° / 60°0.00.214.36.2
Aug87° / 60°0.10.213.56.5
Sep83° / 57°0.10.612.37.8
Oct75° / 52°0.82.7118.6
Nov64° / 46°1.55.5106.5
Dec57° / 41°3.08.39.44.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 4% of July, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3937
4946
5946
6946
7955
8955
9955
10955
11955
12946
13946
14946
15946
16946
17946
18946
19937
20937
21937
22937
23937
24937
25937
26937
27937
28937
29946
30946
31946

Chance of precipitation in July

Any precipitation

Tracy gets around 0.0 in of rain over 0.2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
180191
279201
378211
478211
577221
676231
775241
875241
974251
1073261
1172271
1272271
1370282
1469292
1568302
1667312
1766322
1865332
1964342
2063352
2162362
2261372
2361372
2460382
2560382
2659392
2759392
2859392
2959392
3060382
3160382

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:52 AM to 5:12 AM, and sunset from 7:26 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:527:26
214.64:527:26
314.64:527:26
414.64:537:26
514.54:537:26
614.54:547:26
714.54:547:26
814.54:557:25
914.54:567:25
1014.54:567:25
1114.54:577:25
1214.44:577:24
1314.44:587:24
1414.44:597:23
1514.44:597:23
1614.45:007:23
1714.45:017:22
1814.35:027:21
1914.35:027:21
2014.35:037:20
2114.35:047:20
2214.25:057:19
2314.25:057:18
2414.25:067:18
2514.25:077:17
2614.15:087:16
2714.15:097:15
2814.15:097:14
2914.15:107:14
3014.05:117:13
3114.05:127:12

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 8.27 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 8.27 kWh/m² in July across the year — July's 8.27 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.4Intense
28.4Intense
38.4Intense
48.4Intense
58.4Intense
68.4Intense
78.4Intense
88.4Intense
98.4Intense
108.4Intense
118.3Intense
128.3Intense
138.3Intense
148.3Intense
158.3Intense
168.3Intense
178.3Intense
188.2Intense
198.2Intense
208.2Intense
218.2Intense
228.2Intense
238.1Intense
248.1Intense
258.1Intense
268.1Intense
278.1Intense
288.0Intense
298.0Intense
308.0Intense
318.0Intense
Planning a trip in July

Is July a good time to visit Tracy?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.2
Sightseeing
8th-best month of the year
9.0
Beach & pool
4th-best month of the year

July is a reasonable time to visit Tracy for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tracy in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Tracy sees daytime highs around 88°F and nights near 60°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Tracy in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tracy peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Tracy in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Tracy is worst in August — around 34 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1832 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul9Good
Aug34Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is Tracy?

Tracy sits at 37.7°N, 121.4°W, 52 ft above sea level, in United States. The nearest listed city is Lathrop, 9.9 mi away.

Topography around Tracy

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Tracy.

Within 2 miles, the terrain around Tracy has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 52 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,795 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,373 ft.

The land around Tracy is covered by artificial surfaces (64%) within 2 miles, grassland (41%) and cropland (31%) within 10 miles, and grassland (40%) and trees (24%) within 50 miles.

2 miles
118 ft
10 miles
1,795 ft
50 miles
4,373 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Lathrop 9.9 mi · Manteca 12 mi · Ripon 17 mi · Stockton 17 mi · Livermore 19 mi · Brentwood 20 mi · Oakley 24 mi · Modesto 24 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tracy (37.7399°, -121.4262°, elevation 52 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).